Field.java revision 22c3185bb7c8618437eabe6c597549e0989ec4e6
1/*
2 * Copyright 2012, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.iface;
33
34import org.jf.dexlib2.iface.reference.FieldReference;
35import org.jf.dexlib2.iface.value.EncodedValue;
36
37import javax.annotation.Nonnull;
38import javax.annotation.Nullable;
39import java.util.Set;
40
41/**
42 * This class represents a specific field definition in a class.
43 *
44 * It also acts as a FieldReference to itself. Any equality/comparison is based on its identity as a FieldReference,
45 * and shouldn't take into account any non-FieldReference specifics of this field.
46 */
47public interface Field extends FieldReference {
48    /**
49     * Gets the type of the class that defines this field.
50     *
51     * @return The type of the class that defines this field
52     */
53    @Nonnull String getDefiningClass();
54
55    /**
56     * Gets the name of this field.
57     *
58     * @return The name of this field
59     */
60    @Nonnull String getName();
61
62    /**
63     * Gets the type of this field.
64     *
65     * @return The type of this field
66     */
67    @Nonnull String getType();
68
69    /**
70     * Gets the access flags for this field.
71     *
72     * This will be a combination of the AccessFlags.* flags that are marked as compatible for use with a field.
73     *
74     * @return The access flags for this field
75     */
76    int getAccessFlags();
77
78    /**
79     * Gets the initial value for this field, if available.
80     *
81     * Only static field may have an initial value set, but are not required to have an initial value.
82     *
83     * @return The initial value for this field, or null if this field is not a static field, or if this static field
84     * does not have an initial value.
85     */
86    @Nullable EncodedValue getInitialValue();
87
88    /**
89     * Gets a set of the annotations that are applied to this field.
90     *
91     * The annotations in the returned set are guaranteed to have unique types.
92     *
93     * @return A set of the annotations that are applied to this field
94     */
95    @Nonnull Set<? extends Annotation> getAnnotations();
96}
97